Remove optimize images workflow (#51093)

.github/workflows/optimize-images.yml

@@ -1,72 +0,0 @@
-name: Optimize images
-
-# **What it does**: Optimize images.
-# **Why we have it**: Reduce bandwidth needs.
-# **Who does it impact**: Docs engineering.
-
-on:
-  workflow_dispatch:
-  pull_request:
-    paths:
-      - '**/*.png'
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  optimize-images-on-pr:
-    # We can't make commits on forks
-    if: github.repository == 'github/docs-internal'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repo on head ref
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-        with:
-          ref: ${{ github.head_ref }}
-          # Need to specify a PAT here because otherwise GITHUB_TOKEN is used
-          # by default.  Workflows won't trigger in that case because actions
-          # performed with GITHUB_TOKEN don't trigger other workflows.
-          token: ${{ secrets.DOCS_BOT_PAT_READPUBLICKEY }}
-
-      - name: Check out base ref
-        run: git fetch --no-tags --depth=1 origin $GITHUB_BASE_REF
-
-      - name: Install the Optipng package
-        run: sudo apt-get update && sudo apt-get -y install optipng
-
-      - name: Run optipng on new or changed images
-        run: |
-          set -e # exit when any command fails
-
-          echo "Ensure we can view $GITHUB_BASE_REF"
-          git checkout $GITHUB_BASE_REF
-
-          echo "Ensure we can view $GITHUB_HEAD_REF"
-          git checkout $GITHUB_HEAD_REF
-
-          echo "List the files that changed"
-          git diff --name-only --diff-filter=d $GITHUB_BASE_REF $GITHUB_HEAD_REF
-
-          echo "Run optipng on pngs in from the diff"
-          git diff --name-only -z --diff-filter=d $GITHUB_BASE_REF $GITHUB_HEAD_REF -- '*.png' | xargs -0 optipng -nx
-
-      - name: Make a commit and a push
-        run: |
-          echo "If there's no changes, exit"
-          if [[ !  `git status --porcelain` ]]
-          then
-            echo "No changes found"
-            exit 0
-          fi
-
-          echo "Make a commit"
-          git config user.name github-actions
-          git config user.email github-actions@github.com
-          git add "*.png"
-          git commit --message="Optimize images"
-
-          echo "Push up changes"
-          git push
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}